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Japan Restarts 'Monju' Breeder Reactor 14 Years After Accident - Bloomberg.com - 0 views

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    "Japan, the third-biggest nuclear power generator, restarted an experimental fast-breeder reactor that had been shut since 1995 after an accident and a cover-up. State-controlled Japan Atomic Energy Agency removed control rods to resume operation at 10:36 a.m. local time at the Monju reactor in Tsuruga City in central Japan after getting safety clearances from the government, Tokyo-based spokesman Shinichi Suga said by telephone. A leak of liquid sodium, used for cooling, and a fire forced a halt on Dec. 8, 1995. While no radiation leaked to the environment, operators admitted editing videotape to conceal the extent of the damage, stoking the public's safety concerns. The development of a fast-breeder reactor, which uses spent nuclear fuel from other plants, is a pillar of Japan's energy policy. "
Energy Net

Films on Science - Finland's 100,000-Year Plan to Banish Its Nuclear Waste - NYTimes.com - 0 views

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    "It is, in the words of the Danish filmmaker Michael Madsen, "a place we must remember to forget." On a wooded island more than a hundred miles northwest of Helsinki, in the town of Eurajoki, Finnish engineers are digging a tunnel. When it is done 10 years from now, it will corkscrew three miles in and 1,600 feet down into crystalline gneiss bedrock that has been the foundation of Finland for 1.8 billion years. And there, in a darkness that is still being created, the used fuel rods from Finland's nuclear reactors - full of radioactive elements from the periodic table as dreamed up by Lord Voldemort, spitting neutrons and gamma rays - are to be sealed away forever, or at least 100,000 years. "
Energy Net

Human error a problem at Palisades nuclear plant, but facility is run safely, NRC says ... - 0 views

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    "Human error continued to hinder operations in 2009 at the Palisades nuclear power plant, according to the U.S. Nuclear Regulatory Commission. The commission found last year that workers failed to notice a problem in the pool where spent fuel rods are stored. The finding kept Palisades for the second year in a row on an NRC list of plants that require additional regulatory oversight. A plant spokesman disputed the NRC's finding, saying the pool is safe. He said the 700-worker plant takes training and human error issues very seriously. Palisades has "strong training programs that focus on human performance," said spokesman Mark Savage. But the problem, reported by the NRC in its annual safety assessment of the nuclear plant, follows several notable lapses at the plant in recent years, including:"
Energy Net

CNIC - Citizens' Nuclear Information Center Newsletter: #136 - 0 views

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    "Monju Restarted for the First Time in 14 Years Be they sodium leak detectors, radiation leak detectors, or temperature monitors, malfunction of the sensors that indicate that something is amiss has become routine. JAEA acts on the assumption that they are all false alarms. One is reminded of the story of the boy who cried wolf. Who will believe when the alarm is for real? Monju Restart: CNIC statement Statement issued by CNIC on May 6, 2010, the day that Monju was restarted. KK-1 Moves Closer to Restart The committee concluded that there were no problems regarding insertion of control rods and, with virtually no substantive questions from the committee members, start-up testing of KK Unit 1 was endorsed. Chugoku Electric's Unbelievable Lack of Awareness of Safety and Quality Control On March 30 Chugoku Electric Power Company announced that it had failed to carry out checks on a total of 123 pieces of equipment during past periodic inspections of Units 1 and 2 of its Shimane Nuclear Power Station, located in Matsue City, Shimane Prefecture. On April 30 it updated the number to 506 pieces of equipment. Uprating Nuclear Reactors Reduces Safety Uprating is one of many fronts on which Japan's nuclear safety is being whittled away. Others include extended operation cycles, life extensions for aging reactors and the use of MOX fuel in light water reactors. Japan to the Rescue of Sellafield MOX Plant According to NDA's web site, "Agreement has now been reached between the NDA and the Japanese Utilities on an overall framework for future fabrication of MOX fuel in SMP. 2010 Fiscal Year Electric Supply Plan Considering the past record, basing the CO2 emissions reduction plan on the Electric Supply Plan is a recipe for failure. 2010 Plutonium Utilization Plans and Plutonium Holdings Data should be published by all companies in writing in kilogram units for all separated plutonium, wherever it is held. Group Intro: Rainbow Kayak Squadron The Rainbow Kayak Squadron is a
Energy Net

Draft Federal Report On Beryllium At Hanford Released To Limited Audience - 0 views

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    "Some people sickened by beryllium say the toxic metal is finally getting adequate attention at the Hanford Nuclear Reservation. The Department of Energy has completed a long-awaited report on workers' exposure to beryllium. But the document has not yet been made public. Beryllium is a light-weight metal that was used to seal radioactive rods. In fine particles it can get into the lungs. Craig Hall worked at Hanford. He was diagnosed with Chronic Beryllium Disease more than 10 years ago. Since then he's been warning of the dangers of beryllium, but says he was ignored. Now a federal investigation has resulted in a 100-page draft report by the Department of Energy's Office of Health Safety and Security. Hall was one of the few people who were allowed to see it this week. Hall says he thinks the findings could have been more critical of Hanford managers. But he says the issue has reached a tipping point."
Energy Net

Cool response to Iran's nuclear fuel swap with Turkey | World news | The Guardian - 0 views

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    "Agreement may halt UN sanctions against Tehran, although move will do little to slow Iran's nuclear progress A deal brokered by Turkey and Brazil, in which Iran will ship out over a tonne of enriched uranium in return for fuel rods for a nuclear research reactor, could stop new UN sanctions on Tehran, diplomats said yesterday. News of the deal left western capitals scrambling for a coherent and concerted response. It is similar to an agreement they have pushed for during the past six months, yet most observers said it would do little to slow Iran's nuclear progress."
Energy Net

Congressman Sestak's Amendments in National Defense Authorization Act Pass House - 0 views

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    "Congressman Sestak submitted language directing a study on the use of thorium-liquid fueled nuclear reactors for naval power, an important assessment of an energy source that has shown great potential to be more efficient for our military. As a result, the House Armed Services Committee included funding in the bill for research and development of a nuclear-powered destroyer reactor utilizing thorium energy. While our nuclear Navy has thrived with a continuing record of zero reactor accidents, thorium may be more efficient than uranium as a fuel source. Massive fuel rods would not have to be utilized, and it produces only 1/2000th the waste of uranium. In domestic applications, waste can even be stored on-site, eliminating the necessity of facilities such as Yucca Mountain. Large deposits of thorium can be mined domestically in States such as Idaho, and we already have 160,000 tons in reserve."
Energy Net

Statement of Kwajalein Senator Tony A. deBrum before U.S. House Subcommitee :: Everythi... - 0 views

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    "I thank you for this special opportunity. I am here as a Senator from Kwajalein Atoll in the National Parliament of the Marshall Islands, the Nitijela. With me from Kwajalein are Iroij Senator Michael Kabua, Iroij Senator Christopher Loeak, Iroij Rod Nakamura, Senator Jeban Riklon, Alap Fredley Mawilong, and Alap Irumne Bondrik. We appear before you today representing the four Traditional Leaders of Kwajalein: Iroijlaplap Imata Kabua, Iroijlaplap Anjua Loeak, Iroij laplap Nelu, and Leroij Likwor Litokwa, all their elders, and all the people who belong to Kwajalein. This all inclusive leadership and grass roots delegation is unique in this aspect but is also reflective of our fervent desire to find a solution to the continuing disagreement which threatens to undermine the long and enduring relationship between our two countries. The story of Kwajalein is not new to the Honorable Members of this Committee. Kwajalein continues to play a significant role in America's quest for superiority in military technology as well as in lending support to the many diverse efforts of the United States to maintain international peace and security. Since 1944, Kwajalein has been an integral part of America's defense, from its early days of serving as a naval ah base, through its role as support base for the testing of Nuclear Weapons in the Marshall Islands from 1946-1958, to its present status as America's foremost testing facility for its missile defense programs. The Marshall Islands are a proud and reliable friend of the United States, and Kwajalein is an indispensable component of that friendship."
Energy Net

Fukushima Japan nuclear power plant updates: get all the data | World news | guardian.c... - 0 views

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    Japan is racing to gain control of the crisis at the Fukushima nuclear power plan. Where does the most detailed data come from? Updated daily The 9.0 magnitude earthquake and following tsunami last week has seen Japan struggle as it battles to control the nuclear meltdown of power plants in the north-east of the country. Fukushima nuclear power plant in particular has been closely scrutinised as reports flow in on the progress of the plant - Japan's nuclear board raised the nuclear alert level from four to five last week and the latest update this afternoon warns of products such as dairy and spinach being restricted for shipping. Explosions and reports of nuclear fuel rods melting at the power plant have meant progress on the situation has been closely followed.
Energy Net

Lowdown on nuclear crisis and potential scenarios | The Japan Times Online - 0 views

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    Frantic efforts to cool down the Fukushima No. 1 nuclear plant's overheating reactors and spent fuel rods are continuing, as workers rush to prevent highly toxic radiation from being released into the atmosphere. Below are questions and answers regarding the stricken reactors and spent fuel pools: What is the current situation?
Energy Net

Japan earthquake and tsunami: America on nuclear alert after Fukushima explosion | Mail... - 0 views

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    Close-up pictures of the devastated No 4 reactor building show the gaping hole through which radiation is escaping into the atmosphere as the rods break down. Last night, the UN's nuclear safety body said it was "too early to say" whether desperate attempts to cool them by spraying water into the building had been a success. The Foreign Office issued an urgent statement advising any Britons within 50 miles of the plant to leave the area immediately, and arranged charter flights to get British citizens out of the country.
Energy Net

Japan nuclear plant: exposed to the elements - nuclear fuel in meltdown - Telegraph - 0 views

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    Close-up pictures of the devastated No 4 reactor building show the gaping hole through which radiation is escaping into the atmosphere as the rods break down. Last night, the UN's nuclear safety body said it was "too early to say" whether desperate attempts to cool them by spraying water into the building had been a success. The Foreign Office issued an urgent statement advising any Britons within 50 miles of the plant to leave the area immediately, and arranged charter flights to get British citizens out of the country.
Energy Net

Vivian Norris: Deadly Silence on Fukushima - 0 views

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    "I received the following email a few days ago from a Russian nuclear physicist friend who is an expert on the kinds of gases being released at Fukushima. Here is what he wrote: About Japan: the problem is that the reactor uses "dirty" fuel. It is a combination of plutonium and uranium (MOX). I suspect that the old fuel rods have bean spread out due to the explosion and the surrounding area is contaminated with plutonium which means you can never return to this place again. It is like a new Tchernobyl. Personally, I am not surprised that the authority has not informed people about this. I have been following the Fukushima story very closely since the earthquake and devastating tsunami. I have asked scientists I know, nuclear physicists and others about where they find real information. I have also watched as the news has virtually disappeared. There is something extremely disturbing going on, and having lived through the media blackout in France back in April and early May 1986, and speaking to doctors who are deeply concerned by the dramatic increase in cancers appearing at very young ages, it is obvious that information is being held back. We are still told not to eat mushrooms and truffles from parts of Europe, not wild boar and reindeer from Germany and Finland 25 years later. "
Energy Net

NHK WORLD English - 0 views

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    "Japanese nuclear scientists say if a cooling system can be put in place at the Fukushima Daiichi plant, stabilizing its nuclear fuel could take another 3 months. The deputy head of the Atomic Energy Society of Japan, Takashi Sawada, released the projection by an informal group of 11 society members on Thursday. He said data published by Tokyo Electric Power Company shows that parts of the fuel rods in reactors 1 and 3 have melted and settled at the bottom of the pressure vessels. He said if the ongoing water injections continue, the current situation can be maintained."
Energy Net

Nuclear Power's Future in Japan and Abroad: The Fukushima Accident in Social and Politi... - 0 views

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    The 11 March 2011 9.0 magnitude earthquake off Japan's northeast coast set off a series of cascading events which resulted in the deaths of more than 20,500 people along with an ongoing nuclear crisis. The crisis epitomized what disaster scholars call a compounded or complex disaster. The quake itself caused few direct casualties - fewer than 5 percent of the deaths due to this disaster are attributed to collapsed buildings - but triggered a devastating tsunami which overtopped seawalls, washed away entire villages, swept people and cars out to sea, and damaged the back-up cooling systems at the Fukushima Dai-ichi nuclear power complex. Of the six reactors on site, the quake's arrival automatically shut down the three which were operational. With diesel generators and batteries offline, the residual heat in the reactors raised the temperature to more than 2000 degrees Fahrenheit, melting down the zircaloy fuel rods. The fuel pellets, free from their sheaths, fell to the floor of the steel containment vessels where they may have burned holes through the thick steel plating. Nuclear authorities in Japan eventually classified the radiation release from the Fukushima nuclear complex as a level 7 nuclear crisis on the International Nuclear and Radiological Event Scale (INES), placing the event in the same category as the 26 April 1986 Chernobyl accident in the Ukraine.
Energy Net

Q+A: What's going on at Japan's crippled nuclear power plant? | Reuters - 0 views

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    "Tokyo Electric Power (Tepco) has edged another step closer to its near-term goal of bringing the crippled reactors at its quake and tsunami-hit Fukushima Daiichi plant to a state of cold shutdown by January, as the temperature at the second of three damaged units fell below boiling point this week. The utility said it would be cautious on officially declaring cold shutdown had been achieved, however, even when the temperature at the third reactor has dropped significantly, saying the government and the nuclear watchdog would need to give their seal of approval to such a move. WHAT IS COLD SHUTDOWN AND HOW CLOSE IS IT? Cold shutdown is when water used to cool nuclear fuel rods remains below 100 degrees Celsius, preventing the fuel from reheating. But even when the temperature at the third reactor falls below 100 degrees, Tepco said it would not automatically declare that a cold shutdown has been reached."
Energy Net

Six months later: The Fukushima nuclear disaster in retrospect - The Mainichi Daily News - 0 views

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    "As Japan approaches the six-month anniversary of its worst nuclear disaster, when an unprecedented meltdown occurred in three of the Fukushima No. 1 Nuclear Power Plant's reactors in a combination of natural and manmade calamities, the road to recovery is still long and unclear. In anticipation of the anniversary, the Mainichi looks back over the past six months to outline what has been done, learned, and where Japan currently stands on the issue in this time of crisis. On March 11, a magnitude 9.0 earthquake followed by a series of tsunami waves -- the worst in the history of Japan -- severely damaged the Tokyo Electric Power Co. (TEPCO)-operated Fukushima No. 1 nuclear complex, located along the coast of the towns of Futaba and Okuma in Fukushima Prefecture. As a result of the disaster, all external power sources were lost, causing the supply of cooling water to the plant's No. 1, 2 and 3 reactors to stop. Hydrogen was generated as a result of a chemical reaction between fuel rods and water, leading to hydrogen explosions which badly damaged reactor buildings. The government, which initially estimated the accident level at 4 on the International Nuclear Event Scale (INES), later raised the level to 7 -- the highest rank. This matched the level of the Chernobyl catastrophe, which at that stage was the worst nuclear accident in history."
Energy Net

Chronology of events surrounding crippled Fukushima nuclear plant - The Mainichi Daily ... - 0 views

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    Chronology of events surrounding crippled Fukushima nuclear plant A school building, which was submerged as a result of a tsunami on March 11, stands in an area of Yamamoto, Miyagi Prefecture. (Mainichi) TOKYO (Kyodo) -- The following is a chronology of events regarding the nuclear crisis at the Fukushima Daiichi nuclear power station in Fukushima Prefecture, triggered by the March 11 earthquake and tsunami that struck northeastern and eastern Japan. March 11 -- Magnitude 9.0 earthquake forces power plant's Nos. 1-3 reactors to suspend operations automatically (Nos. 4-6 reactors were shut down, undergoing regular checks). Prime Minister Kan declares nuclear emergency, directing local residents in 3-kilometer radius of plant to evacuate. March 12 -- Kan inspects stricken plant. Radioactive steam is vented from No. 1 reactor's containment vessel. Hydrogen explosion rips No. 1 reactor building. Government expands evacuation zone to 20 km radius of plant. March 14 -- Hydrogen explosion rocks No. 3 reactor building. No. 2 reactor's fuel rods are exposed as water recedes inside reactor vessel. March 15 -- Kan scolds Tokyo Electric Power (TEPCO) officials at company head office. Explosion is heard near suppression chamber of No. 2 reactor's containment vessel. Explosion is also heard at No. 4 reactor. Government directs residents in 20-30-km ring of plant to stay indoors. A tsunami crests the embankment of the Heikawa River in Miyako, Iwate Prefecture, before sweeping into the city on March 11. (Mainichi) March 16 -- Damage is feared to have been done to No. 3 reactor's containment vessel, forcing workers to retreat. March 17 -- Ground Self-Defense Force helicopters drop water on No. 3 reactor building. Fire engines spray water from ground. March 18 -- Nuclear safety agency gives crisis involving Nos. 1-3 reactors preliminary value of Level 5 on nuclear accident scale of 7. March 19 -- Tokyo firefighters spray water at No. 3 reactor. Government announces detecti
Energy Net

Radioactive water spilled at Onagawa nuclear plant in Miyagi | Kyodo News - 0 views

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    Radioactive water spilled from pools holding spent nuclear fuel rods at the Onagawa power plant in Miyagi Prefecture following the strong earthquake late Thursday, the nuclear safety agency said Friday. At the crisis-hit Fukushima Daiichi nuclear power plant or at another plant in Fukushima Prefecture, meanwhile, no new problems have surfaced since the magnitude 7.1 aftershock of the deadly March 11 quake. While the spent fuel pools at the Onagawa plant and the Higashidori nuclear power station in Aomori Prefecture, both operated by Tohoku Electric Power Co., lost their cooling functions for 20 to 80 minutes after the quake, the temperature hardly rose, the Nuclear and Industrial Safety Agency said.
Energy Net

Japan's nuclear disaster offers state lessons - 0 views

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    After Fukushima, what? Japan's disastrous earthquake and tsunami that crippled its coastal nuclear reactors have reopened old questions for California: How big could the next inevitable earthquake be, and how safe are the state's nuclear power plants that now produce more than 15 percent of our electricity? Federal and state experts are reviewing every aspect of what went wrong at Fukushima's reactors, where fuel rods overheated, cooling efforts proved inadequate, radiation escaped and evacuation signals were, at best, mixed.
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